diff --git a/library/x509write.c b/library/x509write.c
index 755c95b..446d485 100644
--- a/library/x509write.c
+++ b/library/x509write.c
@@ -1,7 +1,7 @@
 /*
  * X509 buffer writing functionality
  *
- *  Copyright (C) 2006-2012, ARM Limited, All Rights Reserved
+ *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
  *
  *  This file is part of mbed TLS (https://polarssl.org)
  *